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$407+ Cheap flights from Duluth (DLH) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheap flight deals from Duluth to Ontario

Keep the following information in mind while searching for Duluth to Ontario flight deals. Data was last updated juillet 29, 2025.

Round-trip from

$602
(Delta)

One-way from

$407
(Delta)
From Duluth Intl to Ontario
Search Deals
One-way flight from Duluth Intl to Ontario
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Find flight deals from Duluth to Ontario

Cheapest flights from Duluth to Ontario
Explore the most affordable flight options available from Duluth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/124:20 pmDLH - YYZ
1 stop6h 00mDelta
ven. 9/196:00 amYYZ - DLH
1 stop5h 07mDelta
Deal found 7/29$602
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/207:53 amDLH - YYZ
1 stop15h 06mUnited Airlines
sam. 1/38:55 amYYZ - DLH
1 stop14h 02mUnited Airlines
Deal found 7/28$659
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/253:10 pmDLH - YUL
1 stop5h 19mUnited Airlines
ven. 8/299:45 amYUL - DLH
1 stop13h 20mUnited Airlines
Deal found 7/27$779
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/14:01 pmDLH - YUL
2 stops6h 07mDelta
dim. 8/36:20 amYUL - DLH
1 stop5h 03mDelta
Deal found 7/27$991

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juillet 29, 2025.
Use the filters below to find and compare flights from Duluth to Ontario that are best for you.

Fly from

Duluth

Fly to

Ontario

Route

Depart

Return

Price

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

ven. 9/12

4:20 pm-11:20 pm

1 stop6h 00m

Toronto Pearson Intl

ven. 9/19

6:00 am-10:07 am

1 stop5h 07m

$602

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

sam. 12/20

7:53 am-11:59 pm

1 stop15h 06m

Toronto Pearson Intl

sam. 1/3

8:55 am-9:57 pm

1 stop14h 02m

$659

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

lun. 8/25

3:10 pm-9:29 pm

1 stop5h 19m

Montreal Pierre Elliott Trudeau Intl

ven. 8/29

9:45 am-10:05 pm

1 stop13h 20m

$779

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

ven. 8/15

4:19 pm-11:31 pm

1 stop6h 12m

$407

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

ven. 8/15

5:10 am-9:40 am

3 stops27h 30m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Duluth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated juillet 29, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Duluth to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Duluth to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Ontario?

    For a flight from Duluth to Ontario, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • Can I find deals for flights from Duluth to Ontario that include hotel bookings?

    Yes. In addition to deals on Duluth to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Ontario.

  • Can I find deals for business class flights from Duluth to Ontario?

    Yes. Cheapflights offers flight deals from Duluth to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Duluth to Region of Ontario (average of $243). Flying from Duluth to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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